Alpinia officinarum, the name of traditional Chinese medicine. Alpinia officinarum Hance is the dry rhizome of Alpinia officinarum Hance. In the end of summer and the beginning of autumn, the fibrous roots and scales were removed, washed, cut into sections and dried in the sun. This product is cylindrical, curved, branched, 5 ~ 9cm long, 1 ~ 1.5cm in diameter. The surface is brownish red to dark brown, with fine longitudinal wrinkles and gray brown wavy links. The internodes are 0.2 ~ 1cm long, with round root marks on one side. The cross section is gray brown or reddish brown, fibrous, and the stele accounts for about 1 / 3. It's fragrant and spicy.

1: Detoxification and antidiarrhea,
2: Pain relief,
3: Treatment of digestive tract inflammation,
4: Promote blood circulation,